CVE-2025-21304: Microsoft DWM Core Library Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7.8)

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2025-Jan

Released

2025-01-14

EPSS Score

0.28% (percentile: 51.2%)

FAQ

What privileges could an attacker gain with successful exploitation? An attacker who successfully exploited this vulnerability could gain unauthorized access to system resources, potentially allowing them to perform actions with the same privileges as the compromised process. This could lead to further system compromise and unauthorized actions within the network.

Affected Products (14)

Windows

• Windows 10 Version 1809 for 32-bit Systems
• Windows 10 Version 1809 for x64-based Systems
• Windows Server 2019
• Windows Server 2019 (Server Core installation)
• Windows 10 Version 21H2 for 32-bit Systems
• Windows 10 Version 21H2 for ARM64-based Systems
• Windows 10 Version 21H2 for x64-based Systems
• Windows 10 Version 1607 for 32-bit Systems
• Windows 10 Version 1607 for x64-based Systems
• Windows Server 2016
• Windows Server 2016 (Server Core installation)

ESU

• Windows 10 Version 22H2 for x64-based Systems
• Windows 10 Version 22H2 for ARM64-based Systems
• Windows 10 Version 22H2 for 32-bit Systems

Security Updates (3)

• 5050008
• 5049981
• 5049993

Acknowledgments

Varun Goel

Revision History

• 2025-01-14: Information published.